Johnsonville is an unincorporated community located in Johnsonville Township, Harnett County, North Carolina, United States. It is located at the intersection of NC 24 and NC 27. It is a part of the Dunn Micropolitan Area, which is also a part of the greater Research Triangle of Raleigh–Durham–Cary-Chapel Hill Combined Statistical Area as defined by the United States Census Bureau. Residences in the community typically have a Cameron or Sanford, North Carolina address. Unincorporated communities in Harnett County, North Carolina Unincorporated communities in North Carolina